Butanoic acid, sodium salt
- Formula: C4H7NaO2
- Molecular weight: 110.0869
- IUPAC Standard InChI: InChI=1S/C4H8O2.Na/c1-2-3-4(5)6;/h2-3H2,1H3,(H,5,6);/q;+1/p-1
- IUPAC Standard InChIKey: MFBOGIVSZKQAPD-UHFFFAOYSA-M
- CAS Registry Number: 156-54-7
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
View 3d structure (requires JavaScript / HTML 5) - Other names: sodium butyrate
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Phase change data
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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled by: Eugene S. Domalski and Elizabeth D. Hearing
Enthalpy of phase transition
| ΔHtrs (kJ/mol) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
|---|---|---|---|---|---|
| 1.715 | 450.4 | crystaline, V | crystaline, IV | Ferloni and Franzosini, 1975 | |
| 0.544 | 489.8 | crystaline, IV | crystaline, III | Ferloni and Franzosini, 1975 | |
| 0.753 | 498.3 | crystaline, III | crystaline, II | Ferloni and Franzosini, 1975 | |
| 1.841 | 508.4 | crystaline, II | crystaline, I | Ferloni and Franzosini, 1975 | |
| 10.418 | 524.5 | crystaline, I | liquid | Ferloni and Franzosini, 1975 |
Entropy of phase transition
| ΔStrs (J/mol*K) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
|---|---|---|---|---|---|
| 3.81 | 450.4 | crystaline, V | crystaline, IV | Ferloni and Franzosini, 1975 | |
| 1.13 | 489.8 | crystaline, IV | crystaline, III | Ferloni and Franzosini, 1975 | |
| 1.5 | 498.3 | crystaline, III | crystaline, II | Ferloni and Franzosini, 1975 | |
| 3.64 | 508.4 | crystaline, II | crystaline, I | Ferloni and Franzosini, 1975 | |
| 19.87 | 524.5 | crystaline, I | liquid | Ferloni and Franzosini, 1975 |
References
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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Ferloni and Franzosini, 1975
Ferloni, P.; Franzosini, P.,
Calorimetric study of sodium and potassium n-butyrates,
Gazz. Chim. Ital., 1975, 105, 391-401. [all data]
Notes
Go To: Top, Phase change data, References
- Symbols used in this document:
ΔHtrs Enthalpy of phase transition ΔStrs Entropy of phase transition - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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